Re: [PATCH 4/4] sched/topology: the group balance cpu must be a cpu where the group is installed

[Peter Zijlstra]

On Tue, Apr 25, 2017 at 05:12:00PM +0200, Peter Zijlstra wrote:
> But I'll first try and figure out why I'm not having empty masks.

Ah, so this is before all the degenerate stuff, so there's a bunch of
redundant domains below that make it work -- and there always will be,
unless FORCE_SD_OVERLAP.

Now I wonder what triggered it.. let me put it back.